Mirroring what she went through two years ago, the Grey’s Anatomy boss has been tasked with plotting out a season — the ABC hit’s 10th — that may or may not be the last for original castmembers Ellen Pompeo, Patrick Dempsey, Sandra Oh, Justin Chambers and Chandra Wilson.

But as Rhimes explains to TVLine, the behind-the-scenes cliffhanger is “much less stressful than it was last time,” mainly because “I’ve been through it before and, as with anything, if you had the experience of having done it already you know how to approach it. Whereas last time I was like, “I have no idea how to approach this.” This time I feel like I get how to approach it and how to tell story.”